Answer:
A.
Explanation:
A is correct because the pizza(p) cost $6 not $2.50 and the Drinks(r) cost $2.50 not $6 so that already eliminates C and D.
And too chose between A and B is that did it need to be less than or equal too $50 (≤) .
or did it need too be more than or equal too 9p+2.5r (≥).
it needed to be less than or equal too $50 so it is ≤
Hope this helps!!